... A Multidimensional Binary Search Tree for Star Catalog Correlations D. Nguyen, K. DuPrie and P. Zografou Smithsonian Astrophysical Observatory, Cambridge, MA 02138 Abstract. A multi­dimensional binary search tree, k­d tree, is proposed to support range queries in multi­key data sets. ... Data Volume Limitation If the k number of keys to be searched for contain RA, Dec and some other attributes then one can minimize the number of nodes in the tree by utilizing only the near neighbor FITS files. ...

... Meteorite Boguslavka fall , October 18, 1916. ... By fear of such awful stories we will learn to do good and to keep God's commandments and then we will be blessed" - lamented the scribe as he entered a meteorite fall in Great Novgorod into the Tale of Years. ... The greatest among them were meteorite falls in Great Ustyug (1290), Great Novgorod (1421) and near the village of New Ergy (1662). ... The third and fourth seals show the cloud of stones covering Great Ustyug rocks falling onto the town. ...

Observational data on solar activity is a basement for investigation of processes that take place on the Sun and interplanetary space, with data of long-term observations being of special importance. ... Subsection "Sunspot groups" is the catalogue of all sunspot groups that were observed in the given year. ... For every day of observation of the group the area of the group, the area of the largest spot (both areas - in millionths of solar hemisphere) and number of spots in the group are presented. ...

... V.V.Shevchenko, Sternberg State Astronomical Institute, Moscow University, Universitetsky 13, Moscow 119899, Russia, shev@sai.msu.ru . ... 1.Sternberg State Astronomical Institute, 119899, Moscow, Russia. shev@sai.msu.ru . ... V.V.Shevchenko, Sternberg State Astronomical Institute, Moscow University, Moscow 119992, Russia, shev@sai.msu.ru . ... 119992 Moscow, Russia; . ... 2Sternberg Astronomical Institute, Moscow University, Moscow, 119992, Russia, . ... Moscow, 119992, Russia shev@sai.msu.ru . ...

. Comment on J1325-4301 . Our image, limited by the short observing time, shows symmetrical structure elongated in the NE-SW direction which is not useful to study the details of this complex source. High dynamic range images of this source are published by Tingay et al. (1998). VLBApls home page . Last modified: 16 Oct 2000

... Structure of Data . ... Catalog . ... In SAI OCL Catalog, we introduce our work on investigation of the Milky Way system of open star clusters. The main goal of our study is a search for new clusters using huge surveys. 168 new clusters have been already discovered by us using J,H,Ks data from 2MASS point source catalog. ... For 141 new clusters, we found their physical parameters using J,H,Ks data from 2MASS catalog and, for a number of clusters, our UBVRI CCD observational magnitudes. ...

... Development of Ideas of Structure and Evolution of Stars. Integral Features of Stars, Which Determine Their Structure, Direction and Rate of Evolutuion. ... Connection between Potential and Thermal Energy of Star. ... Structure of a Main Sequence Star. Features of Massive Stars Evolution on the Main Sequence. Internal Structure of the Sun. ... White Dwarfs, Their Features. ... Evolution from the Main Sequence of Massive Stars. ... Evolution of Small Mass Stars till White Dwarfs Sequence. ...

Winer Observatory P.O. Box 797, Sonoita, Arizona 85637-0797, USA . ... 2/3-m Telescope . ... Winer . Papers . ... Mutel, R.L. and Fix, J.D., 2000, An Optical Search for Small Comets , Journal Geophys. ... Mutel, R.L., Gayley, K.G., and Fix, J.D., 2001, Reply to Frank Sigwarth , Journal Geophys. ... Mutel, R.L. and Fix, J.D., 2003, Comment on 'Detection of Small Comets with a Ground Based Telescope' by Frank and Sigwarth , Journal Geophys. ... Arizona 85637-0797 . ... 2013 Winer Observatory. ...

Электронная библиотека астронома-любителя. ... библиотека . архив RSN . ... Ru.Space.News: . Ноябрь 2003 . ... I recently read an article that I found initially disturbing, but after reading the information on this site regarding the sun, I feel much more calm. ... A few people have requested more information about the temperature of the sun. The temperature at the center of the sun is about 16 million degrees Kelvin (27 million degrees Fahrenheit), as stated in the article. ...

My name is Steve Foulkes, I have had the good luck to find SN 2000C in NGC2415. This is part of my discovery image which shows NGC2415 and the SN. ... Steve Foulkes . Image Data: . ... Object NGC 2415 recorded on 2000 Jan 8.789UT with a 0.26-m LX200 telescope on an image secured for the UK Nova/Supernova Patrol. ... The software is also used to analyse an image, and can to a limited degree, also indicate changes in the image. ... Back to Supernova 2000C in NGC 2415 . ...

Общий форум . Scientific.ru Все форумы . ... Е.Онищенко - 08.12.2005 17:21 . Re: проблема с количеством цитирований . x203a; x203a; x203a; в ответ на: Re: проблема с количеством цитирований Буквоед . ... 1 ABELEV GI 4 VSES SEZD ONK LEN 1986 419 . ... 1 ABELEV GI B EKSP BIOL MED 1988 625 . 1 ABELEV GI B EKSP BIOL MED 1988 104 588 . ... Re: проблема с количеством цитирований Буквоед, 08.12.2005 17:45 . ... Re: проблема с количеством цитирований Е.Онищенко, 08.12.2005 15:59 . ...

. Lunar eclipse . at 05 July 2001 . from Siberia. Zelenogorsk, . Russia . S.Guryanov . S.Pechenov

This module provides for loading of executable code and modules into the server at start-up or restart time. ... On Windows, mod_dll was used in beta release 1.3b1 through 1.3b5. mod_so combines these two modules into a single module for all operating systems. ... Because Apache for Windows does not have the Configure program of Apache for Unix, the module's source file must be added to the ApacheCore project file, and its symbols must be added to the os\win32\modules.c file. ... Module: mod_so . ...

... Sternberg Astronomical Institute , Moscow University . ... Present edition unites two parts of Catalogue of interacting galaxies by B.A.Vorontsov-Velyaminov: the first part (Part 1) containing 355 systems was published in 1959 [1] and the second one (Part 2) with 497 objects - in 1976 [2].Thus two published parts of Catalogue include 852 interacting systems. ... All new of them (1162 by number) were taken from the comments to the galaxies in Morphological catalogue by Vorontsov-Velyaminov et al.[ ...

... Satellite data ] . SMIS ] . The program controls the data acquisition according to the specified schedule of the sessions. ... The calibration of AVHRR instrument data is performed during acquisition . The program can be started in parallel with the satellite pass visualization, that allows the user to monitor a session and store data only relevant to specific regions in manual selection mode. ... Back to SMIS Home Page . ...

Dr. Phil Plait , aka "The Bad Astronomer" . ... Video clips . ... Bad Astronomy site . ... Also, in 2007, Dr. Plait started a video podcast (a vidcast or vlog) called "Q and BA" where he answers listeners' questions about astronomy. ... Here, he answers an audience member's question: "Do you believe in UFOs?" (3 min 14 sec) . KXTV Sacramento News interview about bad astronomy in movies from February, 2004 . 3 min 18 sec) . ... Fox News: Lunar Eclipse of January 20, 2000 . ...

NEWS FEDERATION rus ENCYCLOPEDIA rus HISTORY rus MIR STATION RUSSIAN . Piloted Flights . ... Cosmonauts. ... Space Science . Military Space . ... Microbiology Aspect Of Spaceflight Safety . Microbes and fungi are unknown record holders in spaceflight. Natalya Novikova of IMBP told our correspondent Mariya Pobedinskaya on the microbiological research conducted on piloted orbital stations since Salyut 6. ...

Cosmic Ray laboratory of . ... Neutron Monitor (Cosmic Ray Observations) . is situated in Irkutsk (Russia) . ... Height - location above sea level . ... Height: . ... For recording the CR (Cosmic Rays) neutron component at Irkutsk, . neutron monitor NM-64 is used, which is an installation with 18 two-meter proportional counters filled with BF 3 (boron trifluoride gas) in which the B 10 90 per cent of the total boron. ... The neutron monitor is located at 475m above sea level. ...

. Фотография захоронения Джона Пэдди и его жены на Old Jordans Cemetery, Buckinghamshire. Фото с сайта World Vital Records .

Operating Instructions PEC Utility Tool For use with Meade LX200GPS and RCX400 Telescopes PEC Utility The PEC Utility Tool allows you greater control over the Periodic Error Correction functions of your LX200GPS or RCX400 telescope. ... PEC Utility option is located in the AutoStar Suite telescope menu and is available with the AutoStar Suite Update, on the meade.com website. ... The "Shifting the PEC" now allows you to shift the corrections forwards or backwards to compensate for the time lag. ...